3204909

Information

• Patent Grant
• 3204909

• References
• Source

• Patent Number

  3,204,909

• Date Filed

  Not available

• Date Issued

  Tuesday, September 7, 1965
  59 years ago

• CPC

  • B21D37/20 - Making tools by operations not covered by a single other subclass
  • B29C33/3842 - Manufacturing moulds
  • B29C33/3857 - by making impressions of one or more parts of models
  • B44B1/02 - wherein three-dimensional copies are made
  • G09B25/02 - of industrial processes of machinery
  • B29L2031/40 - Test specimens; Models

• US Classifications

  • 248 - Supports
  • 264 - Plastic and nonmetallic article shaping or treating: processes